I had the privilege to work with Microsoft on extending their AppFrabric Workflow Manager.
The AppFabric Starter Kit is designed to be a reference implementation; a secondary objective is to provide sample code that developers could use to manage the life-cycle of the .NET 4 Workflow Services on Windows Server AppFabric. It does this by providing a complete client-side application that enables design of .NET Windows Workflow Services outside of the Visual Studio IDE; deployment of these Services from the Client to the AppFabric server; versioning of the deployed service definitions; and finally management of Service Instances in a custom monitoring console.
You can download it from here http://code.msdn.microsoft.com/Windows-Server-AppFabric-332d1ebc